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feat: quantize MIDI clips with deterministic swing and strength

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This commit is contained in:
Johannes Findeisen 2026-11-06 00:17:23 +01:00
commit 2ba14f6728
9 changed files with 97 additions and 5 deletions
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5
tests/integration/test_gui.cpp
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@ -1331,6 +1331,11 @@ int main(int argc, char **argv)
s->select_all_clips();CHECK(s->transform_selection(XTC_CLIPS_ALIGN,3840)==XTC_OK);
CHECK(xtc_project_find_clip(s->project(),first,&moved)==XTC_OK && moved.start_tick==3840);
CHECK(s->transform_selection(XTC_CLIPS_SLIP,0)==XTC_OK);
CHECK(s->select(s->selected_track(),first));CHECK(window.open_piano_roll()==XTC_OK);
CHECK(window.piano_roll()->add_note(230,120,61)==XTC_OK);
xtc_midi_transform edit{};edit.grid=240;edit.swing=50;edit.strength=100;
CHECK(s->transform_midi(edit)==XTC_OK);xtc_note_info quantized{};
CHECK(xtc_project_get_note(s->project(),0,&quantized)==XTC_OK && quantized.start_tick==300);
window.do_callback();
}
if (failures != 0) return 1;

21
tests/unit/test_modern_editing.c
View file

@ -2,6 +2,25 @@
#include <assert.h>
#include <stdio.h>
static void test_swing(void)
{
xtc_project *p=NULL;uint64_t t,c,n;xtc_note_info note;xtc_midi_transform edit={0};
assert(xtc_project_create(&p)==XTC_OK && xtc_project_add_track(p,"Track",&t)==XTC_OK);
assert(xtc_project_add_midi_clip(p,t,0,1920,&c)==XTC_OK);
assert(xtc_project_add_note(p,c,230,120,60,100,0,&n)==XTC_OK);
edit.grid=240;edit.swing=50;edit.strength=100;
assert(xtc_project_transform_midi(p,&c,1,&edit)==XTC_OK);
assert(xtc_project_get_note(p,0,&note)==XTC_OK && note.start_tick==300 && note.id==n && note.length_tick==120);
edit.strength=50;edit.swing=0;
assert(xtc_project_transform_midi(p,&c,1,&edit)==XTC_OK);
assert(xtc_project_get_note(p,0,&note)==XTC_OK && note.start_tick==270);
assert(xtc_project_add_note(p,c,1850,70,64,100,0,&n)==XTC_OK);
edit.strength=100;
assert(xtc_project_transform_midi(p,&c,1,&edit)==XTC_ERR_INVALID_ARGUMENT);
assert(xtc_project_get_note(p,0,&note)==XTC_OK && note.start_tick==270);
edit.grid=0;assert(xtc_project_transform_midi(p,&c,1,&edit)==XTC_ERR_INVALID_ARGUMENT);
xtc_project_destroy(p);
}
static void test_align_slip(void)
{
xtc_project *p=NULL;uint64_t t,ids[2];xtc_clip_info c;
@ -35,7 +54,7 @@ static void test_repeat(void)
}
int main(void)
{
test_repeat();test_align_slip();
test_repeat();test_align_slip();test_swing();
xtc_project *p=NULL;uint64_t track,a,b,n,ids[2],out[2]={999,999};xtc_clip_info c;
size_t tracks,clips,notes;
assert(xtc_project_create(&p)==XTC_OK);